Answer:
60
Step-by-step explanation:
write 120 like this: 120/2
Then just multiply the numerators.
Which gets you 120/2.
Then change it it to a mixed fraction which is 60.
Using scientific notation, it is found that the measure of one astronomical unit in kilometers is
A number in <em>scientific notation</em> is given by:
- In which
- To realize the conversion from decimal to scientific notation, b is the number of decimal places the comma moves, being positive if to the left, negative if to the right.
In this problem, 1 AU = 150,000,000 km.
- The comma has to move 8 places to the right, hence
Then, the measure is:
For more on scientific notation, you can check brainly.com/question/16394306
A tenth is 1/10.
5 tenths is 5/10.
5/10 is a fraction that can be made simpler, by dividing by 5, so that the fraction becomes 1/2.
1/2 is a half, so if you have a half a dollar, you have 50 cents.
Hope I helped. :)
The first one is -5,-3 ab.